import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)] def Yes(): print('Yes') def No(): print('No') def YES(): print('YES') def NO(): print('NO') sys.setrecursionlimit(10 ** 9) INF = 10 ** 18 MOD = 10 ** 9 + 7 EPS = 10 ** -10 def factorize(num: int) -> dict: """ 素因数分解 """ from math import sqrt from collections import Counter d = Counter() for i in range(2, int(sqrt(num))+1): while num % i == 0: num //= i d[i] += 1 if num == 1: break if num != 1: d[num] += 1 return d visited = set() def dfs(u): for i, (key, val) in enumerate(primes): for k in range(1, val+1): v = u * key**k if v > M: break if v in visited: continue visited.add(v) primes[i] = (key, val-1) dfs(v) primes[i] = (key, val) N, K, M = MAP() primes = factorize(N) for k in primes.keys(): primes[k] *= K primes = list(primes.items()) visited.add(1) dfs(1) ans = len(visited) print(ans)